Nature

In 2002, the world's governments agreed to significantly slow the rate of biodiversity loss by 2010. Time is almost up, and by most accounts they've failed. Now that climate change is emerging as one of biodiversity's greatest threats, scientists are proposing new ways to tackle the crisis. Hannah Hoag reports.

In his new book, environmentalist Bill McKibben says we must abandon the notion that economic growth and environmental sustainability are compatible — only then can we prevent a climate catastrophe. Interview by Christine Woodside.

Like any human endeavour, geoengineering carries hefty doses of uncertainty, doubt and fear.